* {
  margin: 0;
  padding: 0;
}

/* 添加以下样式来隐藏滚动条 */
html,
body {
  overflow: hidden;
  height: 100%;
  width: 100%;
}

#app {
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
